3 years ago

A combination lock has 6 different numbers. If each number can only be used ONCE, how many different combinations are possible?

Mathematics

1 answer:

Aloiza [94]3 years ago

5 0

Answer:

151200 ways

Step-by-step explanation:

Well assuming the numbers go from 0 to 9

we have

_ _ _ _ _ _ six spaces

in the first one can go one of the ten so the first one has 10 options

10*_ _ _ _ _

the second one has 9 options because we have used one alredy

and so on

10*9*8*7*6*5=151200

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